Ruby is an open source programming language created in 1995 by Yukihiro Matsumoto.
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git clone https://github.com/ruby/rubyRuby is a dynamic, reflective, object-oriented, general-purpose programming language. It was designed and developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan. According to its creator, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, and Lisp. Read more on Wikipedia...
# Type your code here, or load an example.
def square(num)
num * num
endputs "Hello, world!"
#!/usr/bin/env ruby
print "Hello World"
# Hello World in Ruby
puts "Hello World!"
module Foo
end
"Hello, World!".in_blue
=> "<span style=\"color: #00f\">Hello, World!</span>"__ENCODING__ __FILE__ __LINE__ alias and BEGIN begin break case class def defined do else elsif END end ensure false for if in module next nil not or redo rescue retry return self super then true undef unless until when while yield| Feature | Supported | Example | Token |
|---|---|---|---|
| Standard Library | ✓ | puts "Hello, World!" | |
| Conditionals | ✓ | ||
| Functions | ✓ | ||
| While Loops | ✓ | ||
| Case Sensitivity | ✓ | ||
| Range Operator | ✓ | (3...6) | |
| Line Comments | ✓ | # A comment | # |
| Print() Debugging | ✓ | puts "Hi" | puts |
| Operator Overloading | ✓ | ||
| Multiline Strings | ✓ | ||
| Mixins | ✓ | module A def a1 end def a2 end end module B def b1 end def b2 end end class Sample include A include B def s1 end end samp = Sample.new samp.a1 samp.a2 samp.b1 | |
| Iterators | ✓ | (0...42).each do |n| puts n end | |
| File Imports | ✓ | load 'filename.rb' require 'filename' require 'trig.rb' | |
| Directives | ✓ | coding: UTF-8 | |
| Here Document | ✓ | ||
| Generators | ✓ | # Generator from an Enumerator object chars = Enumerator.new(['A', 'B', 'C', 'Z']) 4.times { puts chars.next } # Generator from a block count = Enumerator.new do |yielder| i = 0 loop { yielder.yield i += 1 } end 100.times { puts count.next } | |
| Garbage Collection | ✓ | ||
| MultiLine Comments | ✓ | =begin A comment. =end | =begin =end |
| Comments | ✓ | # A comment | |
| Classes | ✓ | # A tiny Person class in Ruby: class Person attr_accessor :name, :age, : # getter and setter methods def initialize(name, age) @name = name @age = age end end # Create a new Person object: person = Person.new("John", 30) puts person.name puts person.age # Change the age of the person: person.age = 35 puts person.age | |
| Constants | ✓ | # Constants in Ruby being with a capital letter. Will throw a warning or error, depending on runtime settings. Name = "John" # Not a constant name = "John" | |
| Exceptions | ✓ | def hello puts "Hello, World!" # start an exception handler begin raise "This is an exception" rescue => e puts "Exception caught: #{e}" end end hello | |
| Assignment | ✓ | pldb = 80766866 | |
| Booleans | ✓ | true false | |
| Integers | ✓ | pldb = 80766866 | |
| Duck Typing | ✓ | ||
| Regular Expression Syntax Sugar | ✓ | puts "Hello World".match(/\w/) | |
| Strings | ✓ | "hello world" | " |
| Case Insensitive Identifiers | X | ||
| Semantic Indentation | X | ||
| Async Await | X | ||
| Function Overloading | X | ||
| Dispose Blocks Pattern | X | ||
| Dependent types | X | ||
| Enums | X | ||
| Variable Substitution Syntax | X |